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In the caption she added a series of shocked-face emojis and two hashtags, which read '6monthspregnant' and '25weekspregnant'.

In the photo however, the star appeared relaxed and calm in RayBan wayfarers and a black and white halter top, as she cuddled a then newly born Phoenix.

Despite her trepidations, Tammin refuses to slow down, as seen in her recent posts uploaded to social media.

Family day out: just last week, the former Home And Away star braved Disneyland with her family to give Phoenix a special day for her fifth birthday, despite being six months pregnant

Just last week, the former Home And Away star braved Disneyland with her family to give Phoenix a special day for her fifth birthday, despite being six months pregnant.

Taking to Instagram, Tammin shared an adorable family portrait of the trio posing in front of Disneyland's Mickey Mouse-branded Ferris Wheel.

'14 hours at Disneyland. My feet are swollen and my back has seized up walking 8 miles at 6 months pregnant,' Tammin wrote in the caption.

Worth it: Despite saying her 'feet are swollen and my back has seized up walking 8 miles at 6 months pregnant' the star wrote on Instagram that it was all worth it to see her 'soul' (Phoenix pictured left) turn five

'But I would do it all again to see that permanent smile on your face. The love I have for you is endless.'

She continued: 'You are my everything (and your daddy is pretty special too) HAPPY 5TH BIRTHDAY my soul. I love you more than you will ever ever know.'

Tammin announced in early September that she was expecting her second child with husband Sean McEwen.

Adding to the brood: Tammin announced in early September that she was expecting her second child with husband Sean McEwen (pictured left)